The TriggerPoint™ GRID® STK is the world’s first handheld foam roller wrapped in the patent-pending GRID 3-dimensional surface. This unique surface design replicates the feeling of a massage therapist’s hand and channels nutrients directly to the tissue, helping to enhance health and mobility. Featuring AcuGRIP handles for targeted relief on minor aches and pains. The convenient, portable size makes it easy for you to take the GRID STICK with you to the office, the gym, and even on the road.